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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Brachychloa schiemanniana
HABIT Perennial. Stolons present. Basal innovations flabellate. Culms erect; 10–20 cm long. Ligule a ciliolate membrane. Leaf-blades 2–6 cm long; 2–6 mm wide.
INFLORESCENCE Inflorescence composed of racemes.
Racemes borne along a central axis; unilateral; 0.5–3 cm long. Central inflorescence axis 3–10 cm long. Rhachis persistent; angular; glabrous on margins. Spikelet packing broadside to rhachis.
Spikelets solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 4–7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 4–6 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume lanceolate; 0.9 length of upper glume; membranous; 1-keeled; 1–3 -veined. Lower glume primary vein scabrous. Lower glume apex acute. Upper glume oblong; 1–1.1 length of adjacent fertile lemma; membranous; 1-keeled; 5–7 -veined. Upper glume primary vein scabrous. Upper glume apex acute.
FLORETS Fertile lemma ovate; 1.2–2 mm long; membranous; keeled; 5–7 -veined. Lemma midvein eciliate. Lemma margins eciliate. Lemma apex dentate; 2 -fid; mucronate. Palea bowed outwards. Palea keels smooth. Apical sterile florets resembling fertile though underdeveloped.
FRUIT Caryopsis with free soft pericarp.
DISTRIBUTION Africa: southern tropical and south.
NOTES Eragrostideae. WDC.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.